diff --git a/meson.build b/meson.build
index 7ccc92c..66286f6 100644
--- a/meson.build
+++ b/meson.build
@@ -192,7 +192,7 @@
 )
 
 if get_option('oem-ampere').allowed()
-    add_project_arguments('-DOEM_AMPERE', language : 'cpp')
+    add_project_arguments('-DOEM_AMPERE', language: 'cpp')
 endif
 
 libpldmutils_headers = ['.']